Chicago Veður Spá
Chicago weather: 10°C, clear. Á klukkustund forecast, 14-day outlook, UV, air quality and the best time til visit.
Chicago weather in ágúst
One of the best months til visit Chicago.
ágúst runs 11°C warmer than the annual average in Chicago.
Compare með september.
Veður map for Chicago
Animated model layers. Pick a layer til load it.
Animated layers by Vindury. For pin-level detail and nearby places, see the interactive map below.
Loftslag in Chicago month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mánuður | Avg high | Avg low | Rigningfall | Rating |
|---|---|---|---|---|
| janúar | -2° | -8° | 73 mm | ★★☆☆☆ |
| febrúar | 4° | -4° | 19 mm | ★★★☆☆ |
| mars | 11° | 1° | 103 mm | ★★★☆☆ |
| apríl | 15° | 6° | 113 mm | ★★★☆☆ |
| maí | 20° | 11° | 68 mm | ★★★★☆ |
| júní | 26° | 18° | 126 mm | ★★★★☆ |
| júlí | 28° | 20° | 127 mm | ★★★★☆ |
| ágúst | 27° | 19° | 116 mm | ★★★★☆ |
| september | 24° | 17° | 74 mm | ★★★★☆ |
| október | 18° | 10° | 79 mm | ★★★★☆ |
| nóvember | 10° | 3° | 68 mm | ★★★☆☆ |
| desember | 3° | -3° | 68 mm | ★★☆☆☆ |
Loftslag type: Heimsálfaal. Heimild: Open-Meteo archive (ERA5).
Best time til visit Chicago
Go in maí, júní, ágúst, september and október. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: janúar, febrúar and desember - expect the least comfortable mix of heat, cold or rain.
What til pack, what til skip
- Layers - the daily swing is 14°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid janúar, febrúar and desember - historically the least comfortable months here.
How Chicago compares með nearby places
Annual averages, and the difference against Chicago.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Cook County | 0 km | 11°C | about the same | 1034 mm |
| Indiana Dunes National Park | 54 km | 11°C | about the same | 1110 mm |
| Starved Rock State Park | 129 km | 12°C | +1°C warmer | 1052 mm |
| Milwaukee | 131 km | 10°C | 1°C cooler | 898 mm |
| Wisconsin | 197 km | 10°C | 2°C cooler | 888 mm |
Sjá spá fyrir Chicago eftir tímabili
Chicago weather - more answers
Explore Chicago
Every topic we hold for this place, and the same topic for the places around it.
Veður for related places
Frequently asked questions
Where is Chicago?
Chicago is a city in Illinois. Its coordinates are 41.8781, -87.6298. It lies in Norður-Ameríka.
What is the weather like in Chicago núna?
It is currently 10°C (49°F) með clear. Raki is 80% and wind is 9 km/h.
When is the best time til visit Chicago?
maí, júní, ágúst, september and október offer the most comfortable conditions in Chicago, which has a continental climate. janúar, febrúar and desember are usually the hardest months for outdoor plans.
What time zone is Chicago in?
Chicago observes America/Chicago (UTC-05:00). The local time is 12:38 PM.
How many people live in Chicago?
Chicago has a population of approximately 2.7 million.
What is the nearest airport til Chicago?
The closest airports are O'Hare International Airport (ORD), 25 km away.
What are the top things til do in Chicago?
Popular options include Indiana Dunes National Park, Starved Rock State Park and Lake Michigan.
What places are in Chicago?
Chicago covers 5 places in this atlas, including O'Hare International Airport, The Loop, Wicker Park, ZIP Code 60601 and Area Code 312.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts. |
|---|---|
| Spá and observations | Open-Meteo (ECMWF and national models). |
| Loftgæði and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Loftslag averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Veður Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated október 28, 2026 at 12:38 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
